关于盆腔炎的治疗，下列哪些是正确的() A．一般支持疗法 B．联合应用抗生素治疗 C

A 1.6-meter tall robot may soon become the best friend for lonely elderly people，as Chinese scientists are making the final sprint(冲刺)toward its market launch(投放)，said a senior researcher on the robot project on Saturday．

“We are working on testing the exact functions and ways to reduce the cost in preparations for an expected market launch of the robot in two to three years，”said Li Ruifeng，a member of  the project．  

He said the team hoped to reduce the cost so that the robot can be priced at 30，000 to 50，000 yuan，which is expected to be an affordable price for most of China’s better-off families．

The robot has been developed with the functions of fetching food，medicine，sounding alarms in case of water or gas leakage，sending texts or video images via wireless communications，and even singing a song or playing chess to entertain its masters．

Li said that the robot，developed independently in China, has technology at the same level as those in western labs．   

China set about the research of the robot in 2007，when it was listed as a national key project．It is backed by government funding(拨款)．China has the world’s largest elderly  population with 159 million people over 60，accounting for 12 percent of its total population． According to a survey by the Ministry of Civil Affairs，more than 10 million caregivers and nurses are needed to attend the elderly population，as most of Chinese elderly prefer to live their retired lives at home．   

61．The passage mainly talked about         ．

A．the problems of Chinese elderly population

B．the advantages of the Robot caregivers

C．robot caregivers for the elderly to lilt market

D．the government’s attention to the elderly

62．The underlined word “backed” in the last paragraph means     ．

A. supported  B．suggested C．controlled       D．stopped

63．From the last paragraph we know that       ．

A．our government pays no attention to the elderly people

B．China has the world’s largest elderly population

C．Chinese elderly people prefer to be looked after by robot caregivers

D．robots are the best friends for the lonely elderly people

64．Which of the following is true according to the passage?

A．Robot caregivers will appear in the market in 2 or 3 years．

B．Robot caregivers can help elderly people do everything．

C．The robot needs some technology from western labs．

D．The robot is expected to be bought by every people．

65．The author wrote the passage to        ．

A．advertise a robot caregiver to the elderly

B．tell China elderly not to worry about their life  

C．explain how robot caregivers work in the future

D．introduce a newly-developed robot caregiver

嘧啶核苷酸从头合成途径中直接合成的核苷酸是

A．AMP
B．UMP
C．IMP
D．GMP
E．CMP

急性胆囊炎的USG的表现为（）

A.胆囊增大、胆囊壁轮廓线模糊，外壁线不规则

B.胆囊壁弥漫性增厚，增厚的胆囊壁呈增强回声带

C.胆囊腔内出现弥漫性低回声、云雾状回声等提示胆囊积脓

D.胆囊窝显示无回声带，提示胆囊周围液体潴留或积脓

E.胆囊壁内无回声的散在小囊样憩室结构

马克思主义政党作为执政党，其领导核心作用体现在哪些方面？

伟达商场规定其下属的百货、家电、食品等承包组对外开展业务时可以使用伟达商场的名义和公章，但发生的债权债务概与商场无关。1999年11月2日，该商场百货组以伟达商场的名义，与时尚服装厂签订了一份购买5万件服装的合同，合同约定由百货组自行提货，签约后6个月内一次性付清货款。为担保合同的履行，在合同签订时，双良商场书面承诺对该合同买方所承担的货款义务负保证责任。此外，百货组还以伟达商场的名义，将商场的4辆汽车向时尚服装厂作了抵押，并办理了抵押登记。11月5日，百货组派人到时尚服装厂提货，该服装500件一包，服装厂装货人员共装运了105包服装，双方人员当时均未察觉。货车回商场途中与一辆运煤车相撞起火，车上服装全部被烧毁。

设在第69问情形下，哪一方应承担证明不可抗力成立的举证责任( )

A．伟达商场

B．通达公司

C．伟达商场和通达公司

D．都不需要